:root {
    /* Dark Theme Palette based on screenshot */
    --bg-dark: #0F172A;
    /* Deep Slate/Navy background */
    --bg-card: #1E293B;
    /* Lighter slate for cards */
    --bg-input: #334155;
    /* Input fields */

    --primary-color: #10B981;
    /* Emerald Green */
    --primary-hover: #059669;

    --text-light: #F8FAFC;
    /* White/Off-white */
    --text-muted: #94A3B8;
    /* Slate 400 */

    --border-color: #334155;

    --radius: 16px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-light);
    background-color: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
}

/* HERO SECTION */
.hero {
    padding: 140px 0 100px;
    /* Soft gradient overlay on dark bg */
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, #0F172A 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    /* Subtle glow behind text */
    background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, rgba(15, 23, 42, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

/* GENERIC CARDS */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.card-title {
    color: var(--text-light);
}

.list-group-item {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--border-color);
}

/* BUTTON OVERRIDES */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* CUSTOM BUTTONS */
.btn-primary-custom {
    background-color: var(--primary-color);
    color: #FFFFFF;
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.2);
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
    color: white;
}

/* SECTION TITLES */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
    color: var(--text-light);
}

/* ECOSYSTEM CARDS */
.ecosystem-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem;
    transition: all 0.3s ease;
    height: 100%;
}

.ecosystem-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.ecosystem-box h4 {
    color: var(--text-light);
}

.ecosystem-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 1rem;
    background: rgba(16, 185, 129, 0.1);
    /* Low opacity green */
    padding: 12px;
    border-radius: 12px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* PRICING */
.pricing-section {
    background-color: var(--bg-dark);
    /* Match body */
    padding: 100px 0;
}

/* BILLING TOGGLE */
.billing-toggle {
    display: inline-flex;
    flex-wrap: nowrap;
    align-items: center;
    padding: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    margin-bottom: 3rem;
    gap: 0;
}

.billing-toggle button {
    border: none;
    background: transparent;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
    line-height: 1;
}

.billing-toggle button.active {
    background: var(--primary-color);
    color: white;
    /* Green bg, white text for active */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* PRICING CARDS */
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 20px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.pricing-card h3 {
    color: var(--text-light);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-light);
    /* White pricing */
    letter-spacing: -0.03em;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    flex-grow: 1;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.feature-list i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

/* OVERRIDES */
.text-muted {
    color: var(--text-muted) !important;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border-color);
}

footer a:hover {
    color: var(--primary-color) !important;
    opacity: 1;
}/* FAQ ACCORDION */
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.25rem;
    font-size: 1.05rem;
    font-weight: 600;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-light);
}

.faq-icon i {
    transition: transform 0.25s ease;
    color: var(--primary-color);
}

.faq-question[aria-expanded="true"] .faq-icon i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 1.25rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
}